/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License. You may obtain a
 * copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 *
 */

package org.apache.geode.tools.pulse.internal.service;

import static org.apache.geode.tools.pulse.internal.util.NameUtil.makeCompliantName;

import javax.servlet.http.HttpServletRequest;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import org.apache.geode.tools.pulse.internal.data.Cluster;
import org.apache.geode.tools.pulse.internal.data.Repository;

/**
 * Class MemberAsynchEventQueuesService
 *
 * This class contains implementations of getting Asynchronous Event Queues details of Cluster
 * Member.
 *
 * @since GemFire version 7.5
 */
@Component
@Service("MemberAsynchEventQueues")
@Scope("singleton")
public class MemberAsynchEventQueuesService implements PulseService {

  private final ObjectMapper mapper = new ObjectMapper();

  @Override
  public ObjectNode execute(final HttpServletRequest request) throws Exception {

    // get cluster object
    Cluster cluster = Repository.get().getCluster();

    // json object to be sent as response
    ObjectNode responseJSON = mapper.createObjectNode();

    JsonNode requestDataJSON = mapper.readTree(request.getParameter("pulseData"));
    String memberName =
        requestDataJSON.get("MemberAsynchEventQueues").get("memberName").textValue();

    Cluster.Member clusterMember = cluster.getMember(makeCompliantName(memberName));

    if (clusterMember != null) {
      // response
      Cluster.AsyncEventQueue[] asyncEventQueues = clusterMember.getMemberAsyncEventQueueList();
      ArrayNode asyncEventQueueJsonList = mapper.createArrayNode();

      if (asyncEventQueues != null && asyncEventQueues.length > 0) {
        responseJSON.put("isAsyncEventQueuesPresent", true);

        for (Cluster.AsyncEventQueue asyncEventQueue : asyncEventQueues) {
          ObjectNode asyncEventQueueJSON = mapper.createObjectNode();
          asyncEventQueueJSON.put("id", asyncEventQueue.getId());
          asyncEventQueueJSON.put("primary", asyncEventQueue.getPrimary());
          asyncEventQueueJSON.put("senderType", asyncEventQueue.isParallel());
          asyncEventQueueJSON.put("batchSize", asyncEventQueue.getBatchSize());
          asyncEventQueueJSON.put("batchTimeInterval", asyncEventQueue.getBatchTimeInterval());
          asyncEventQueueJSON.put("batchConflationEnabled",
              asyncEventQueue.isBatchConflationEnabled());
          asyncEventQueueJSON.put("asyncEventListener", asyncEventQueue.getAsyncEventListener());
          asyncEventQueueJSON.put("queueSize", asyncEventQueue.getEventQueueSize());

          asyncEventQueueJsonList.add(asyncEventQueueJSON);
        }
        responseJSON.put("asyncEventQueues", asyncEventQueueJsonList);
      } else {
        responseJSON.put("isAsyncEventQueuesPresent", false);
      }

    }
    // Send json response
    return responseJSON;
  }
}
